Doctor Knock is a former thug who has become a doctor and arrives in the small village of Saint-Maurice to make his fortune according to a particular method. It will make the villagers believe that they are not as healthy as they might think. It is thus that he will find in each one an imaginary symptom, or not, and thus will be able to exercise his profession lucratively. Under his seductive looks and after gaining the confidence of the village, Knock is on the verge of achieving his ends. But his past catches up with him and an old acquaintance disrupts the doctor's plans.
Jacques Belin, presenter of a silly TV show, gets drunk after receiving an award and misses the train bringing his TV-soap-star fiancée. He meets up with Frède, just out of prison after a three year sentence and, in between numerous arguments and Jacques' break-up with his girlfriend, the two of them get drunker together, going across Paris in search of more alcohol and adventure.
Hyperactive teenager Kelly is enrolled into a military school when her new stepfather becomes the Commandant. At first she has problems fitting in and taking orders until she tries out for the drill team.
Angèle, a thirty-something from Ivory Coast, always cope thanks to the gift of gab and audacity. To escape from a bunch of dangerous criminals, she becomes a nanny in the uptown Paris, hired by Hélène, the single mom of eight years old Arthur. Discovering the work conditions of her colleagues, she decides to stand up for their rights, thanks to a young lawyer who will quickly fall for her.
38-year-old Alice has everything to become the next editor-in-chief of Rebelle magazine except for her uptight image. But when the young and charming Balthazar, barely 20, crosses Alice's path, she realizes that he holds the key to her promotion.